Between March 11th and April 30th, 2020, 93 consecutive patients who were hospitalized in Kars Harakani State Hospital with the diagnosis of COVID-19 were included. The COVID-19 diagnosis was made according to real time reverse transcriptase-polymerase chain reaction (RT-PCR) assay of respiratory specimens which revealed positive results for SARS-CoV-2 nucleic acid and thorax CT findings consistent with viral pneumonia [12]. The COVID-19 diagnosis was confirmed with RT-PCR in all included patients in this study. The patient symptoms, fever at presentation, thorax computerized tomography (CT) scans, neutrophil, lymphocyte and monocyte counts, C-reactive protein (CRP), pro-calcitonin (PCT), erythrocyte sedimentation rate (ESR), lactate dehydrogenase (LDH), creatine kinase (CK), and d-dimer levels were recorded. Older age was accepted as 65 years or older. Fever was classified as 37.3 °C or higher.